上世纪初敦煌遗书的发现为我们了解中古中国的社会文化生活提供了重要的资料。尤其是占敦煌遗书百分之九十以上的佛经写本或可校订现存大藏经,或可发现大量未入藏经典,或可直接观照中古中国各个社会阶层的宗教信仰。这些形态丰富的资料对我们研究佛教文献学和中古中国的宗教社会文化影响难以估计。前贤已经对敦煌佛经写本进行了大量 The discovery of the suicide note at the beginning of last century provided important information for us to understand the social and cultural life of the Middle Ages in China. In particular, more than 90% of Dunhuang books can be scripted, or the existing Tripitaka can be revised, or a large number of religious beliefs not found in the scriptures can be found, or the social classes in all ages in China can be directly observed. The richness of these kinds of information makes it difficult to estimate the religious and cultural impact of our study on Buddhist philology and medieval China. Former Yin Dynasty Dunhuang Buddhist scriptures have been carried out a lot